Table 2. Sensitivity estimates for each subgroup on a per-lesion basis.

Subgroup	No. of Studies	Mean Sensitivity (%)	P Value
Lesion size
<10 mm	6	79(72–85)	0.437
≥10 mm	6	97(95–99)	0.323
<10 mm vs. ≥10 mm	NA	NA	0.011
magnetic field strength
1.5T	7	94(91–95)	0.077
3.0T	7	93(90–94)	0.001
1.5T vs. 3.0T	NA	NA	0.879
Study design
retrospective	12	94(92–95)	0.001
prospective	1	87	NA
retrospective vs. prospective	NA	NA	0.082
Patient Spectrum
CRLM	6	94(92–96)	0.071
liver metastases	7	91(88–94)	0.014
CRLM vs. liver metastases	NA	NA	0.289

Note.–Numbers in parentheses are the 95% CIs. NA  =  not applicable. CRLM  =  colorectal liver metastases.